diff options
Diffstat (limited to 'compat')
| -rw-r--r-- | compat/basename.c | 15 | ||||
| -rw-r--r-- | compat/mingw.c | 19 | ||||
| -rw-r--r-- | compat/mingw.h | 4 | ||||
| -rw-r--r-- | compat/mkstemps.c | 70 |
4 files changed, 105 insertions, 3 deletions
diff --git a/compat/basename.c b/compat/basename.c new file mode 100644 index 0000000000..d8f8a3c6dc --- /dev/null +++ b/compat/basename.c @@ -0,0 +1,15 @@ +#include "../git-compat-util.h" + +/* Adapted from libiberty's basename.c. */ +char *gitbasename (char *path) +{ + const char *base; + /* Skip over the disk name in MSDOS pathnames. */ + if (has_dos_drive_prefix(path)) + path += 2; + for (base = path; *path; path++) { + if (is_dir_sep(*path)) + base = path + 1; + } + return (char *)base; +} diff --git a/compat/mingw.c b/compat/mingw.c index cdeda1d985..e190fddf41 100644 --- a/compat/mingw.c +++ b/compat/mingw.c @@ -525,8 +525,8 @@ static const char *parse_interpreter(const char *cmd) if (buf[0] != '#' || buf[1] != '!') return NULL; buf[n] = '\0'; - p = strchr(buf, '\n'); - if (!p) + p = buf + strcspn(buf, "\r\n"); + if (!*p) return NULL; *p = '\0'; @@ -1156,3 +1156,18 @@ int link(const char *oldpath, const char *newpath) } return 0; } + +char *getpass(const char *prompt) +{ + struct strbuf buf = STRBUF_INIT; + + fputs(prompt, stderr); + for (;;) { + char c = _getch(); + if (c == '\r' || c == '\n') + break; + strbuf_addch(&buf, c); + } + fputs("\n", stderr); + return strbuf_detach(&buf, NULL); +} diff --git a/compat/mingw.h b/compat/mingw.h index 762eb143a7..4c50f5b1bc 100644 --- a/compat/mingw.h +++ b/compat/mingw.h @@ -38,6 +38,8 @@ struct passwd { char *pw_dir; }; +extern char *getpass(const char *prompt); + struct pollfd { int fd; /* file descriptor */ short events; /* requested events */ @@ -109,7 +111,7 @@ static inline int mingw_unlink(const char *pathname) } #define unlink mingw_unlink -static inline int waitpid(pid_t pid, unsigned *status, unsigned options) +static inline int waitpid(pid_t pid, int *status, unsigned options) { if (options == 0) return _cwait(status, pid, 0); diff --git a/compat/mkstemps.c b/compat/mkstemps.c new file mode 100644 index 0000000000..14179c8e6d --- /dev/null +++ b/compat/mkstemps.c @@ -0,0 +1,70 @@ +#include "../git-compat-util.h" + +/* Adapted from libiberty's mkstemp.c. */ + +#undef TMP_MAX +#define TMP_MAX 16384 + +int gitmkstemps(char *pattern, int suffix_len) +{ + static const char letters[] = + "abcdefghijklmnopqrstuvwxyz" + "ABCDEFGHIJKLMNOPQRSTUVWXYZ" + "0123456789"; + static const int num_letters = 62; + uint64_t value; + struct timeval tv; + char *template; + size_t len; + int fd, count; + + len = strlen(pattern); + + if (len < 6 + suffix_len) { + errno = EINVAL; + return -1; + } + + if (strncmp(&pattern[len - 6 - suffix_len], "XXXXXX", 6)) { + errno = EINVAL; + return -1; + } + + /* + * Replace pattern's XXXXXX characters with randomness. + * Try TMP_MAX different filenames. + */ + gettimeofday(&tv, NULL); + value = ((size_t)(tv.tv_usec << 16)) ^ tv.tv_sec ^ getpid(); + template = &pattern[len - 6 - suffix_len]; + for (count = 0; count < TMP_MAX; ++count) { + uint64_t v = value; + /* Fill in the random bits. */ + template[0] = letters[v % num_letters]; v /= num_letters; + template[1] = letters[v % num_letters]; v /= num_letters; + template[2] = letters[v % num_letters]; v /= num_letters; + template[3] = letters[v % num_letters]; v /= num_letters; + template[4] = letters[v % num_letters]; v /= num_letters; + template[5] = letters[v % num_letters]; v /= num_letters; + + fd = open(pattern, O_CREAT | O_EXCL | O_RDWR, 0600); + if (fd > 0) + return fd; + /* + * Fatal error (EPERM, ENOSPC etc). + * It doesn't make sense to loop. + */ + if (errno != EEXIST) + break; + /* + * This is a random value. It is only necessary that + * the next TMP_MAX values generated by adding 7777 to + * VALUE are different with (module 2^32). + */ + value += 7777; + } + /* We return the null string if we can't find a unique file name. */ + pattern[0] = '\0'; + errno = EINVAL; + return -1; +} |